Refer to Exercise 6. Assume that c=448 J/kg°C and ?Q=1210 J are known with negligible uncertainty. Assume the mass is m=0.75 ± 0.01 kg. Estimate ?T, and find the relative uncertainty in the estimate.
What will be an ideal response?
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La velocidad sincrónica de un motor de inducción de 60Hz con ocho polos estatores es de _____ rpm.
a. 3600 b. 1800 c. 1200 d. 900
A material that may cause death or illness if it is consumed, inhaled or absorbed through the skin is described as being:
A. radioactive B. reactive C. corrosive D. toxic
For replacement of ungrounded receptacles, which of the following statements is not true?
A. If a grounding means exists in the box, a grounding-type receptacle is required. B. If a grounding means does not exist in the box, a nongrounding-type receptacle is generally permitted. C. A GFCI-type receptacle is permitted to replace a nongrounding-type receptacle even though there is not an equipment grounding conductor in the box. D. An equipment grounding conductor is permitted to be installed from the GFCI receptacle to grounding-type receptacles on the load side.
Linux provides ____________________, which implements the features of both nroff and troff.
Fill in the blank(s) with the appropriate word(s).